US Bridges

Nfa 871 (sa 5725) over Nfa 871 / I40

Fair

Madison County, Tennessee · 0.5 MI N of SR 1 · Structure no. 57I00400009

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
212 ft
4 main spans
Daily traffic
302
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 871 (sa 5725) over Nfa 871 / I40 is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 871 (sa 5725) over Nfa 871 / I40 in Madison County, Tennessee. It was built in 1961, so it is 64 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 302 vehicles a day, roughly 3% of them trucks, projected to reach 400 by 2041. The structure is 212 ft (64.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 871 (sa 5725)
CrossesNfa 871 / I40
Location0.5 MI N of SR 1
RouteCounty Highway 871
CountyMadison County
StateTennessee
Coordinates35.62236, -88.9827
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span66 ft (20.1 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic302 (2021)
Projected traffic400 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 871 (sa 5725) over Nfa 871 / I40 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Nfa 871 (sa 5725) over Nfa 871 / I40 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Nfa 871 (sa 5725) over Nfa 871 / I40 carry?

About 302 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 871 (sa 5725) over Nfa 871 / I40?

The structure is 212 ft (64.6 m) long with a longest span of 66 ft (20.1 m) and a deck 34 ft wide.

Who owns Nfa 871 (sa 5725) over Nfa 871 / I40?

It is owned by the State Highway Agency.